$ git clone -n https://src.fedoraproject.org/rpms/golang-x-exp.git /var/lib/mock/f38-build-side-42-init-devel-972840-28921/root/chroot_tmpdir/scmroot/golang-x-exp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-972840-28921/root/chroot_tmpdir/scmroot/golang-x-exp'...
$ git fetch origin 872e3f7c2ae330a4a944c90f811ac2cc4052baaa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-exp
 * [new ref]         872e3f7c2ae330a4a944c90f811ac2cc4052baaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 872e3f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild